View Compilation Error

0_0_23359911_28538.cpp: In function 'int main(int, char**)':
0_0_23359911_28538.cpp:24:33: error: 'max' was not declared in this scope
     f[j]=max(f[j],f[j-b[i]]+a[i]);
                                 ^
0_0_23359911_28538.cpp:24:33: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
                 from 0_0_23359911_28538.cpp:2:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3454:5: note:   'std::max'
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^